Answer:
Layering
Explanation:
Layering names the initial process of covering the plant with soil.
Examples, statistics, and testimony? NOT 100% SURE
I believe it became popular in 1928( when it first came out) and it's still used today by orchestras. Hope that helped!
Purcell's opera Dido and Aeneas was composed<span> for: a production at a girl's school</span>